atomic-structure

Question: Iso-electronic species is

1) ${F^ - },\,\,{O^{ - 2}}$

2) ${F^ - },\,\,O$

3) ${F^ - },\,\,{O^ + }$

4) ${F^ - },\,\,{O^{ + 2}}$

Solution:

Explanation: No Explanation

atomic-number

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